add new validation for validate only integer type

README.md

@@ -188,6 +188,7 @@ $this->assertTrue($v->validate());
  * `different` - Field must be different than another field
  * `accepted` - Checkbox or Radio must be accepted (yes, on, 1, true)
  * `numeric` - Must be numeric
+ * `integerType` - Must be integer type
  * `integer` - Must be integer number
  * `boolean` - Must be boolean
  * `array` - Must be array

src/Valitron/Validator.php

@@ -269,6 +269,19 @@ protected function validateInteger($field, $value, $params)
  return filter_var($value, \FILTER_VALIDATE_INT) !== false;
  }
 
+ /**
+ * Validate that a field is an integer type
+ *
+ * @param string $field
+ * @param mixed $value
+ * @param array $params
+ * @return bool
+ */
+ protected function validateIntegerType($field, $value, $params)
+ {
+ return is_int($value);
+ }
+
  /**
  * Validate the length of a string
  *

tests/Valitron/ValidateTest.php

@@ -294,6 +294,24 @@ public function testNumericInvalidAltSyntax()
  $this->assertFalse($v->validate());
  }
 
+ public function testIntegerTypeValid()
+ {
+ $v = new Validator(array('num' => 10));
+ $v->rule('integerType', 'num');
+ $this->assertTrue($v->validate());
+
+ $v = new Validator(array('num' => -10));
+ $v->rule('integerType', 'num');
+ $this->assertTrue($v->validate());
+ }
+
+ public function testIntegerTypeNotValid()
+ {
+ $v = new Validator(array('num' => '10'));
+ $v->rule('integerType', 'num');
+ $this->assertFalse($v->validate());
+ }
+
  public function testIntegerValid()
  {
  $v = new Validator(array('num' => '41243'));